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Table 1 Distribution of Neisseria meningitidis serogroups among culture-positive invasive meningococcal disease cases in Québec, Canada, 2009-2013

From: Characterization of invasive Neisseria meningitidis strains from Québec, Canada, during a period of increased serogroup B disease, 2009-2013: phenotyping and genotyping with special emphasis on the non-carbohydrate protein vaccine targets

  Number (%) of cases by serogroups Total # of cases
Years B C Y W135 X
2009 49 (90.7) 1 (1.9) 1 (1.9) 3 (5.5) 0 (0.0) 54
2010 42 (87.5) 2 (4.2) 3 (6.2) 1 (2.1) 0 (0.0) 48
2011 50 (83.3) 1 (1.7) 5 (8.3) 3 (5.0) 1 (1.7) 60
2012 41 (82.0) 3 (6.0) 5 (10.0) 1 (2.0) 0 (0.0) 50
2013 47 (92.2) 0 (0.0) 2 (3.9) 2 (3.9) 0 (0.0) 51
All years 229 (87.0) 7 (2.7) 16 (6.1) 10 (3.8) 1 (0.4) 263